What is the missing constant term in the perfect square that starts with x^2+14x ?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14